515114-52-0Relevant articles and documents
Novel Intermediate Used for Preparing Tapentadol or Analogues Thereof
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, (2016/03/14)
The invention discloses a novel intermediate for preparing tapentadol and analogues thereof, wherein the structural formula is shown as formula I or II, and the groups are defined as the specification. The invention further discloses a method for preparing the novel intermediate and use of the intermediate for preparing tapentadol and analogues thereof. The invention can remarkably improve the product yield and quality of tapentadol, reduce the production cost, and simplify the production procedure. The preparation process is environment friendly, thus more suitable for the requirements of industrial production.
NOVEL INTERMEDIATE USED FOR PREPARING TAPENTADOL OR ANALOGUES THEREOF
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, (2013/07/31)
The invention discloses a novel intermediate for preparing tapentadol and analogues thereof, wherein the structural formula is shown as formula I or II, and the groups are defined as the specification. The invention further discloses a method for preparing the novel intermediate and use of the intermediate for preparing tapentadol and analogues thereof. The invention can remarkably improve the product yield and quality of tapentadol, reduce the production cost, and simplify the production procedure. The preparation process is environment friendly, thus more suitable for the requirements of industrial production.
PROCESS FOR PREPARING L-PHENYL-3-DIMETHYLAMINOPROPANE DERIVATIVE
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Page/Page column 32, (2012/04/10)
Provided is a process for the preparing l-phenyl-3-dimethylaminopropane derivatives of formula I, (The formula should be inserted here) and its pharmaceutically acceptable salts thereof via novel intermediates.